Pandey, S. B; Anupama, G. C; Sagar, R; Bhattacharya, D; Castro-Tirado, A. J; Sahu, D. K; Parihar, P. S; Prabhu, T. P(The European Southern Observatory, 2003-09)
Goyal, A; Gopal-Krishna; Anupama, G. C; Sahu, D. K; Sagar, R; Britzen, S; Karazous, M; Aller, M. F; Aller, H. D(Astronomical Society of the Pacific, 2009-09)
Tanaka, M; Yamanaka, M; Maeda, K; Kawabata, K. S; Hattori, T; Minezaki, T; Valenti, S; Valle, M. D; Sahu, D. K; Anupama, G. C; Tominaga, N; Nomoto, K; Mazzali, P. A; Pian, E(The American Astronomical Society, 2009-08)